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Is it safe to drive your 2012 Toyota Highlander with the check engine light on?

If the check engine light is flashing, this means that there is a alarming issue and it is recommended to service your Toyota Highlander immediately. This question is not exceedingly uncomplicated because it all depends on the severity of the issue. If the cause is a minor issue, such as a loose gas cap, it should be safe to drive. This is consistently indicated by a steady glow of the check engine light. If you notice a difference in the performance of the vehicle, it could be an indication of a more intrusive problem. Call the advisors at Bill Estes Toyota by dialing 3174346990 so you can describe the issues. Or reduce your speed and bring your 2012 Toyota to our certified mechanics as soon as feasible.

2012 Toyota Highlander Check Engine Light Flashing

Although there are countless achievable causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are a few acceptable causes encompassing something as easy as a loose gas cap. Diverse acceptable reasons for a Check Engine Light are faulty head gasket, a malfunction with the fuel injection system, dirty mass airflow sensor, damaged oxygen sensor, faulty emissions control part, or defective spark plugs to name a few. No matter what is the root cause of the Check Engine Light, we have the Toyota Certified Technicians and the certified service protocol to isolate the root problem and repair it as mandatory to restore factory specifications. When this happens, the Check Engine Light turns off, and you can leave the service center knowing that your Toyota issue was fixed.

Every 2012 Toyota Highlander was designed with a high-technology performance monitoring system with a computer, and a series of sensors positioned strategically throughout the automobile on its hard systems. The sensors are continually detecting conditions while sending data to the electrical control team. If the electrical control team detects that the data is out of factory specifications, the Check Engine Light illuminates telling you that there is a problem. However, that is the limitation of the Check Engine Light – it won’t tell you what exactly is inaccurate nor what to do about it. That’s where we come in; Bill Estes Toyota provides a Check Engine Light Diagnosis Service that isolates the core problem and gives you a recommendation on what to do next from a Incredibly Qualified Service mechanical.

Check Engine Light Service 2012 Toyota Highlander

What do you do when you’re driving along in your Toyota Highlander and suddenly, a yellow light illuminates on your dash and says "Check Engine". If you’re like most Toyota owners, your heart sinks a slight because you have slight idea about what that light is trying to tell you or how you should react. The fear of the unknown (or the cost of the unknown) can be just as stressful. But take a deep breath and realize the light coming on doesn’t mean you have to pull the car over to the side of the road and call a tow truck, but it is recommended that you get your 2012 Toyota Highlander checked as soon as feasible. Ignoring that warning could end up causing illustrious damage to expensive engine components.

When your 2012 Toyota Highlander's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can’t fair, a computer turns on your check engine light. This amber or yellow light is typically labeled “check engine” or “service engine soon”, or the light may be nothing more than a picture of an engine, or a picture of the engine with the word “check.”

When the light turns on, the ECM stores an engine code or “trouble code” in its memory that identifies as the issue, whether it's a sensor or a failing engine part. This code is read with an electronic diagnose tool that is used by our Toyota auto repair technicians at Bill Estes Toyota. There are also a number of comparatively inexpensive code readers that are designed for do-it-yourselfers, should you designate that route too. While this code will tell you the issue that is detected, a true diagnosis still requires an experienced licensed to express the issue and repair it.

How much does it cost to get the engine light checked?

The check engine light warns of issues ranging from a gas cap that's not accurately tightened to a more noteworthy failure like a harmful catalytic converter or a problem with one of the car's oxygen sensors, so it better to get the common code reading and diagnosis. The average value for a check engine light diagnosis & testing is consistently between $88 and $111. The better news, Bill Estes Toyota offers complimentary multi-point inspections and free diagnostics, in most cases, to aid determine the cause of your check engine light.

How many miles can you drive with the check engine light?

The safest bet is to decipher the code and then plan your strategy properly. Since each check engine code has its own level of severity, it is troublesome to predict how innumerable miles you can drive with the warning light on. It could be anything from a bad sensor to plug wires needing to be replaced. If you check engine light is flashing, we advocate that you pull over and contact Bill Estes Toyota to help imply if your automobile is protected to drive in or if we advocate a tow truck.

What Does the Check Engine Light Mean?

One of the most typically misunderstood lights or indicators in your 2012 Toyota Highlander is the check engine light. The check engine light is part of the onboard diagnostics system, and displays in bountiful distinctive ways. It can say "Check Engine", it can be a symbol of an engine, it can even be a combination of both. This light illuminates in either an amber or red color and is part of the diagnostics system found on your automobile. Onboard computers increasingly have controlled and monitored automobile performance since the 80s and do a variety of things for your 2012 Toyota Highlander. Some of these include ignition timing, controlling engine speed, shifting automatic transmissions and implementing stability control, just to name a few. With that being said, the check engine light can imply a mixture of different things. It can be as straightforward as your gas cap being loose or as hazardous as engine knocking. If your check engine light is on in your 2012 Toyota Highlander, contact Bill Estes Toyota. Our Toyota service department can aid you read what code is turning your check engine light on or investigate why your check engine light is flashing. Contact Bill Estes Toyota today!

What could cause the check engine light to come on in a 2012 Toyota Highlander?

When your check engine light comes on, this could be as simple as tightening or replacing your gas cap. Likewise, the check engine light could also be a warning of a hazardous problem that could cause hazardous damage to your engine and come with a big repair bill. Depending on your make and model, the check engine light will illuminate or blink. A steady glow commonly means something less hazardous but a flashing check engine light indicates that your vehicle’s engine is in hazardous trouble and service is crucial expeditiously. If your check engine light is flashing in your 2012 Toyota Highlander, we immensely endorse not to drive the vehicle and schedule Toyota service today. Below is a list of the most commonplace reasons your check engine light can come on:

  • Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, acknowledged as the O2 sensor, measures the amount of oxygen in your exhaust system. If there is excess oxygen in your exhaust system, fuel burns faster and your vehicle will be less exact when it comes to fuel economy. So what happens if I don’t replace your O2 sensor? A faulty sensor can not only affect your miles per gallon, but it can cause damage to your catalytic converter and your 2012 Toyota Highlander's spark plugs. The O2 sensor sends data to the vehicle’s onboard computer to indicate the good mixture of air and fuel that enters the cylinders in your engine. A bad O2 sensor can also cause a vehicle to fail an emissions test.
  • The battery is low or dead. The battery in your 2012 Toyota Highlander is every admirable. Without a vehicle battery, your vehicle won’t start, light up the road ahead, play the radio or charge your phone. Today’s vehicle batteries last much longer than they did various decades ago, and they don't really require maintenance. The estimate of a new one depends on the type of Toyota you drive, but check our actual service coupons and specials.
  • Issues with any aftermarket items. An aftermarket alarm, exhaust or extra item can wreak havoc on your 2012 Toyota Highlander if it’s not installed well. These aftermarket parts and accessories can drain the battery, trigger the check engine light, or even impede the vehicle from starting. If these issues sound cognizant, bring your Highlander to Toyota and have our team of certified mechanics ensure that your aftermarket items were installed correctly and aren't causing any issue. Getting accessories, exceptionally aftermarket parts and accessories, or using OEM parts first place might cost a few bit more but could save you money from having to get poor work and damage caused by poor installation work corrected.
  • Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Toyota Highlander is what determines how much fuel is crucial to run your engine efficiently by measuring the amount of air entering the engine. As a part of the engine management system, the mass airflow sensor helps adjust to feasible changes, like altitude. If your Toyota Highlander is having trouble starting, idling rough or has a sudden change in the position of the throttle pedal, this could be a sign of a bad mass airflow sensor.
  • Your 2012 Toyota Highlander has a vacuum leak. Every Toyota Highlander has a vacuum system that performs a wide assortment of functions. The vacuum system also helps lessen harmful emissions by routing the fumes as gasoline evaporates through the engine. If you notice that your RPM is high in idle or randomly surges, a vacuum leak could be the cause. Over time, vacuum hoses can parched out and crack, exceptionally if they’re exposed to effective heat or extreme freezing.
  • Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2012 Toyota Highlander’s exhaust system. The catalytic converter's function is to turn the carbon monoxide created by the combustion process into carbon dioxide. A damaged catalytic converter is usually caused by neglected maintenance, which is why Bill Estes Toyota offers a complimentary multi-point inspection with every Toyota service. If you have an issue with your catalytic converter and don't get it repaired, your 2012 Toyota Highlander will not pass an emissions test, show a lack of engine performance and will negatively affect your fuel economy. Your vehicle may run at a higher temperature, too, which can cause extra problems from overheating.
  • One of the most daily and many cause is that your 2012 Toyota Highlander gas cap is loose, damaged or missing. The gas cap for your 2012 Toyota Highlander serves multiple purposes. It prevents gas fumes from being released when you aren't driving, it seals the fuel system and helps maintain pressure within the fuel tank. What happens if you have a bad fuel cap? If your gas cap is old or has a ruptured seal, you can lose fuel through evaporation which will result in more trips to the pump. Luckily, to replace a gas cap isn't expensive. If your check engine light turns on shortly after you put gas in your 2012 Toyota Highlander, first thing you should check is to make sure the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump.
  • New Spark Plugs or Plug Wires are crucial for your 2012 Toyota Highlander. The spark plugs are the part of your engine that ignites the air/fuel mixture in the combustion chamber of your vehicle. This explosion is what moves the pistons and makes the engine run. The spark plug wires deliver the spark from the ignition coil to the spark plugs. If your spark plugs or spark plug wires are bad or old, you will experience poor performance and reduced power. In some extreme cases, your engine will have trouble starting or continuing to run. Worn spark plugs and plug wires can cause clogged catalytic converter or damage to ignition coils and O2 sensors, best to more expensive repairs.

2012 Toyota Highlander Check Engine Light Codes

The check engine light turning on can be quite intimidating to see that little light on your vehicle’s dashboard suddenly illuminates, but in reality, it is not something that should cause you to shut down in fear good away. If you hear the term, diagnostic trouble codes (DTC), these are just another name for check engine light codes. These are automotive computer codes stored by the ECM, also known as the OBD (on-board computer diagnostic system) in your Highlander. There are hundreds of other codes that your check engine light can suggest. While that sounds daunting, with some patience, tackling essential diagnostics will give you useful knowledge about your car and will also allow that Check Engine Light to do what it is really supposed to do: be your guide. Sadly, discernable and helpful car symptoms do not always accompany an illuminated Check Engine Light. Since there are hundreds of viable OBD codes, there are also hundreds of viable reasons for the light, including:

  • Fuel and air metering systems problems
  • Old Battery
  • Bad Spark Plugs
  • Ignition system faults
  • Loose Gas Cap or Missing Gas Cap
  • Emissions controls issues
  • O2 Sensor
  • Computer output circuit issues
  • Transmission issues

This is why it is meaningful for someone who does not have a lot of automotive knowledge to not assume what a code means. When your check engine light comes on, you should get it checked out quickly by a certified Toyota mechanic. Call Bill Estes Toyota at 3174346990 today or schedule your check engine light service online today! If the engine light comes on due to a relevant concern, you risk harmful your car extra by not repairing the issue right away.

Will the check engine light reset itself?

The check engine light on your 2012 Toyota Highlander will ordinarily shut itself off if the issue or code that caused it to turn on is repaired. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going functional, and you did assorted of stop-and-go driving, that may have turned on the check engine light due to the high usage of the converter. In most cases, your 2012 Toyota Highlander light will go off after about 20-40 miles. If you drive over that fee and the light is still on, you will need to bring it in to Bill Estes Toyota so the light and code can be double-checked and reset.

2012 Toyota Highlander Check Engine Light

A flashing light suggests that the problem is perilous and if not taken care of shortly may result in gigantic damage to the vehicle. If the check engine light in your 2012 Toyota Highlander starts flashing, that means that the problem needs immediate attention and your Toyota should be brought in shortly. This blinking light usually implies a rigorous engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can expeditiously expand the temperature of the catalytic converter to a point where damage is achievable, requiring an expensive repair. A Few owners ask if spark plugs cause the check engine light to flash? This can absolutely be the cause. A bad, old or dirty spark plug can cause the engine to misfire. If the problem is ignored or you continue to commute, this can spread to the spark plug wires, catalytic converter, or ignition coils which can lead to a very expensive repair. If your check engine light is flashing, please contact our company of automotive consultants at Bill Estes Toyota immediately by calling 3174346990.